Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Me diga o grau para o ano de 1983.
 ###Tabelas: CREATE TABLE medallists_by_nation (medallists_by_nation_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Nation VARCHAR, Gold INT, Silver INT, Bronze INT, Total INT) CREATE TABLE division_races (division_races_id AUTO_INCREMENT PRIMARY KEY, Week INT, EASTERN #1 VARCHAR, Eastern #2 VARCHAR, WESTERN #1 VARCHAR, Western #2 VARCHAR) CREATE TABLE nobel_laureate_alumni (nobel_laureate_alumni_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Degree VARCHAR, Degree Year VARCHAR, Award Year INT, Award VARCHAR) CREATE TABLE lpga_major_championship (lpga_major_championship_id AUTO_INCREMENT PRIMARY KEY, Year INT, Dates VARCHAR, Venue VARCHAR, Champion VARCHAR, Country VARCHAR, Score INT, To par VARCHAR, Margin of victory VARCHAR, Runner(s)-up VARCHAR, Purse ( $ ) INT, Winner's share ($) INT) CREATE TABLE siena_college_research_institute_survey (siena_college_research_institute_survey_id AUTO_INCREMENT PRIMARY KEY, Seq. VARCHAR, Name VARCHAR, Background INT, Party Leadership INT, Communication Ability INT, Relations with Congress INT, Court Appointments INT, Handling of Economy INT, Luck INT, Ability to Compromise INT, Willing to take Risks INT, Executive Appointments INT, Overall Ability INT, Imagination INT, Domestic Accomplishments INT, Integrity INT, Executive Ability INT, Foreign Policy Accomplishments INT, Leadership Ability INT, Intelligence INT, Avoid Crucial Mistakes INT, Expert's View INT, Overall INT)  
SELECT Degree FROM nobel_laureate_alumni WHERE Degree Year = 1983